<template>
  <transition name="move">
    <div v-show="showFlag" class="food-wrapper" ref="food">
      <div class="food">
        <div class="food-content">
          <div class="image-header">
            <img :src="food.image">
            <div class="back" @click="hide">
              <i class="icon-arrow_lift"></i>
            </div>
          </div>
          <div class="content">
            <h1 class="title">{{ food.name }}</h1>
            <div class="detail">
              <span class="sell-count">月售{{ food.sellCount }}份</span>
              <span class="rating">好评率{{ food.rating }}%</span>
            </div>
            <div class="price">
              <span class="now">￥{{ food.price }}</span><span class="old" v-show="food.oldPrice">￥{{ food.oldPrice }}</span>
            </div>
            <div class="cartcontrol-wrapper">
              <cartcontrol @cartAdd="_drop" :food="food"></cartcontrol>
            </div>
            <transition name="fade">
              <div @click.shop.prevet="addFirst" class="buy" v-show="!food.count || food.count === 0">加入购物车</div>
            </transition>
          </div>
        </div>
        <split v-show="food.info"></split>
        <div class="info" v-show="food.info">
          <h1 class="title">商品信息</h1>
          <p class="text">{{ food.info }}</p>
        </div>
        <split></split>
        <div class="rating">
        <h1 class="title">商品评价</h1>
        <ratingselect
          :select-type="selectType"
          :only-content="onlyContent"
          @contentToggle="contentToggle"
          @ratingtypeSelect="ratingtypeSelect"
          :desc="desc"
          :ratings="food.ratings"
        ></ratingselect>
          <div class="rating-wrapper">
            <ul v-show="food.ratings && food.ratings.length">
              <li v-show="needShow(rating.rateType,rating.text)" v-for="rating in food.ratings" class="rating-item border-1px">
                <div class="user">
                  <span class="name">{{ rating.username }}</span>
                  <img class="avatar" width="12" height="12" :src="rating.avatar">
                </div>
                <div class="time">{{ rating.rateTime | formatDate }}</div>
                <p class="text">
                  <span :class="{'icon-thumb_up':rating.rateType === 0,'icon-thumb_down':rating.rateType === 1}"></span>{{ rating.text }}
                </p>
              </li>
            </ul>
            <div class="no-rating" v-show="!food.ratings || !food.ratings.length">
              暂无评价
            </div>
          </div>
      </div>
      </div>
    </div>
  </transition>
</template>

<script>
  import BScroll from 'better-scroll';
  import Vue from 'vue';
  import cartcontrol from '../cartcontrol/cartcontrol.vue';
  import split from '../split/split.vue';
  import ratingselect from '../ratingselect/ratingselect.vue';
  import {formatDate} from '../../common/js/date';

  //  const POSITIVE = 0;
  //  const NEGATIVE = 1;
  const ALL = 2;

  export default {
    props: {
      food: {
        type: Object
      }
    },
    data () {
      return {
        showFlag: false,
        selectType: ALL,
        onlyContent: false,
        desc: {
          all: '全部',
          positive: '推荐',
          negative: '吐槽'
        }
      };
    },
    methods: {
      show () {
        this.showFlag = true;
        this.selectType = ALL;
        this.onlyContent = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.food, {
              click: true
            });
          } else {
            this.scroll.refresh();
          }
        });
      },
      hide () {
        this.showFlag = false;
      },
      addFirst (event) {
        if (!event._constructed) {
          return;
        }
        this.$emit('cartAdd', event.target);
        Vue.set(this.food, 'count', 1);
      },
      _drop () {
        this.$emit('cartAdd', event.target);
      },
      needShow (type, text) {
        if (this.onlyContent && !text) {
          return false;
        }
        if (this.selectType === ALL) {
          return true;
        } else {
          return type === this.selectType;
        }
      },
      contentToggle () {
        this.onlyContent = !this.onlyContent;
        this.$nextTick(() => {
          this.scroll.refresh();
        });
      },
      ratingtypeSelect (type) {
        this.selectType = type;
        this.$nextTick(() => {
          this.scroll.refresh();
        });
      }
    },
    filters: {
      formatDate (time) {
        let date = new Date(time);
        return formatDate(date, 'yyyy-MM-dd hh:mm');
      }
    },
    components: {
      cartcontrol,
      split,
      ratingselect
    }
  };
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl";

  .food-wrapper
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30
    width: 100%
    background: #ffffff
    transition: all 0.2s linear
    transform: translate3d(0,0,0)
    &.move-enter-active, &.move-leave-active
      transform: translate3d(100%,0,0)
    .image-header
      position: relative
      width: 100%
      height: 0
      padding-top: 100%
      img
        position: absolute
        top: 0
        left: 0
        width: 100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px
          font-size: 20px
          color: #ffffff
    .content
      position: relative
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 8px
        font-size: 14px
        font-weight: 700
        color: rgb(7,17,27)
      .detail
        margin-bottom: 18px
        height: 10px
        line-height: 10px
        font-size: 0
        .sell-count, .rating
          font-size: 10px
          color: rgb(147,153,159)
        .sell-count
          margin-right: 12px
      .price
        font-weight: 700
        line-height: 24px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240,20,20)
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147,153,159)
      .cartcontrol-wrapper
        position: absolute
        right: 12px
        bottom: 12px
      .buy
        position: absolute
        right: 18px
        bottom:18px
        z-index: 10
        height: 24px
        line-height: 24px
        padding:0 12px
        box-sizing: border-box
        border-radius: 12px
        font-size: 10px
        color: #ffffff
        background: rgb(0,160,220)
        transition: all 0.2s
        opacity: 1
        &.fade-enter-active, &.fade-leave-active
          transition: all 0.2s
          opacity: 0
    .info
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 6px
        font-size: 14px
        color: rgb(7,17,27)
      .text
        line-height: 24px
        padding: 0 8px
        font-size: 12px
        color: rgb(77,85,93)
    .rating
      padding-top: 18px
      .title
        line-height: 14px
        margin-left: 18px
        font-size: 14px
        color: rgb(7,17,27)
      .rating-wrapper
        padding: 0 18px
        .rating-item
          position: relative
          padding: 16px 0
          border-1px(rgba(7,17,27,0.1))
          .user
            position: absolute
            right: 0
            top: 16px
            line-height: 12px
            font-size: 0
            .name
              display: inline-block
              margin-right: 6px
              vertical-align: top
              font-size: 10px
              color: rgb(147,153,159)
            .avatar
              border-radius: 50%
          .time
            margin-bottom: 6px
            line-height: 12px
            font-size: 10px
            color: rgb(147,153,159)
          .text
            line-height: 16px
            font-size: 12px
            color: rgb(7,17,27)
            .icon-thumb_up, .icon-thumb_down
              margin-right: 4px
              line-height: 24px
              font-size: 12px
            .icon-thumb_up
              color: rgb(0,160,220)
            .icon-thumb_down
              color: rgb(147,153,159)
        .no-rating
          padding: 16px 0
          font-size: 12px
          color: rgb(147,153,159)
</style>
